Objective To summarize 828 case reports of the patients with cerebellopontine angle micrurgy and research the causes of their diseases.

摘要目桥小脑角病变828例微手术经验，并探讨其病原因。

Objective To introduce experience of ambilateral posterior communicating aneurysms(PcoAA)that treated by micrurgy, and discussed its operating modus and operating juncture.

目介绍8例双侧颈内动-后交通动微手术经验,对其微手术方法、方式及手术时机等进行探讨。